#3F5738
Closest named color: Pine (#2B5D34). oklch(42.8% 0.058 138.7), rgb(63, 87, 56).
Aa
White text reads best on this color (7.97:1).
About this color
#3F5738 is a dark, muted green. In OKLCH its lightness is 43%, its chroma 0.058 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.031 away. White text reads best on it, at 7.97:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.63:1 |
| White text | 7.97:1 |
Values
| HEX | #3F5738 |
| RGB | rgb(63, 87, 56) |
| HSL | hsl(106, 22%, 28%) |
| OKLCH | oklch(42.8% 0.058 138.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #3F5738 | 7.97:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #3F5738 | 2.63:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #3F5738 text on white | 7.97:1 | AAA | Lc 87.6 | Fine for body text |
| #3F5738 text on black | 2.63:1 | Fails | Lc -14.5 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E7EBE5
oklch(93.5% 0.009 134.9)
-
Step 200
200
#D3DCD0
oklch(88.4% 0.019 137.8)
-
Step 300
300
#B6C6B1
oklch(80.8% 0.034 138.2)
-
Step 400
400
#90A989
oklch(70.7% 0.053 138.9)
-
Step 500
500
#74946B
oklch(63.1% 0.07 138.9)
-
Step 600
600
#5D7E53
oklch(55.6% 0.075 138.6)
-
Step 700
700
#4C6A43
oklch(49% 0.07 138.6)
-
Step 800
800 (this color)
#3F5738
oklch(42.8% 0.058 138.7)
-
Step 900
900
#354730
oklch(37.5% 0.045 139)
-
Step 950
950
#1F2A1C
oklch(27% 0.03 139)
#3F5738 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #595236 | 0.040 |
| Deuteranopia (no green cones) | #55503A | 0.039 |
| Tritanopia (no blue cones) | #3E554F | 0.039 |
| Achromatopsia (no color) | #515151 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F5738
#3F5738
oklch(42.8% 0.058 138.7)
- #5D4564
#5D4564
oklch(42.8% 0.058 318.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F5738, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.031
- Spruce #0A5F38 ΔE 0.047
- Army Green #4B5D16 ΔE 0.049
- Green Brown #544E03 ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.052
- Navy Green #35530A ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.055
- Camouflage Green #4B6113 ΔE 0.059
Use #3F5738 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.